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Getting teh following error on my config for a switch.00:36:26: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on FastEthernet0/1 (1), with sw-testlab. dgit.net GigabitEthernet4/0/20 (104).lab1#show run int vlan 808Current configuration...

What is the reason behind sending the destination mac address first in an ethernet frame?one reson I can think of is- Seding the Dst MAC first will help the switch to take the forwarding decision (cut through switching tech) without waiting for the r...

Hi,I have a Cisco router 1941 with an ADSL card, connecting the ADSL line, i configured a dialer interface but couldnt understand how to bind the dialer with an ethernet interface. I think i should have a bridge cause there is an interface ethernet 0...

i just took over the network from someone who left the company. im trying to track down(on a 6509) what devices are connectied to the other side of an etherchannel. is it possiable to view the mac addresses that are connected to the etherchannel?

Hello,I have enabeld DHCP snooping on a VLAN and left it a few days an enabled Dynamic ARP Inspection and all is good apart from one user who has a static IP so he doesn't appear in the DHCP snooping bindings list, but his port goes into err-disabled...

Good day.In Cisco Catalyst 6500 Architecture White Paper that when modules archtecture considered CEF256 and dCEF256 have more differencies that siply absence and presence of DFC module. See pics bellow:                                               ...

Hi all, Can someone help me find what feature set is supported on this IOS S45EUK9-33-1511SGThe client requires Layer 3 functionality so do i need to apply any license with it or it will perform  layer 3 routing (like rip, ospf, bgp, ipv6, ospfv3) ?K...

Jonn cos by Level 4
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  • 0 Helpful votes

Hello,Two ports in C3560E are grouped together in "active" mode.These ports are connected to a EMC server.When I type as below, the channel is in SD mode.       The Server admin told me that this is normal behavior since one port is active and the ot...

hi , i want to ask , how to match youtube  in my qosi  want to give youtube the best priority in the rush hour .currently im using an acl that match the ips of youtube but i think its not sufficeitt :plz help me how to match the youtube traffic in my...

Dr.X by Level 2
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  • 5 replies
  • 0 Helpful votes

Hi:I just triying to setup a dhcp server in my catalyst 3560 switch for a nortel ip phones.  I show you mmy configuration:VOICE VLAN: 3DATA VLAN: 1S1:10.2.110.200port:4100Nortel IP Phones: IP 2002 (Firmware Version 0604D9H)  & IP 1110 (Firmware Versi...